/* body{
    background: red;
} */
.header{
    position: fixed;
    top: 0;
    margin: 0 auto;
    width: 100%;
    height: 90px;
    z-index: 99999;
    background: rgba(255,255,255,.8);
}
.header .nav{
    width: 1170px;
    height: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-left: 15px;
    padding-right: 15px;
}
.test{
    display: none;
}
.header .nav .logo{
    float: left;
    display: block;
    margin: 18px 0;
    width: 201px;
    height: 54px;
    background: url(../imgs/001.png) no-repeat;
    background-size: auto 54px;
    text-indent: -99999px;
    opacity: 1;
}
.header .nav ul{
    float: right;
    margin-bottom: 0;
    margin-top: 0;
}
.header .nav ul li{
    float: left;
    margin-left: 60px;
}
.header .nav ul .active a{
    color: #fe0000;
    text-decoration: none;
}
.header .nav ul li a{
    position: relative;
    display: block;
    color: #858585;
    height: 90px;
    line-height: 90px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 23px;
}
.header .nav ul li a:hover{
    color: #fe0000;
}
/* 中间内容 */
.section{
    width: 100%;
    height: auto;
}
.section .content1{
    width: 100%;
    height: 540px;
    padding-top: 120px;
    background: url(../imgs/banner-bg.jpg) no-repeat center;
    background-size: cover;
}
.section .content1 .content1_1{
    /* position: relative; */
    overflow: hidden;
    width: 1170px;
    height: 545px;
    margin: 0 auto;
    position: relative;
}
.section .content1 .content1_1 ul{
    width: 300%;
    height: 100%;
    position: relative;
}
.section .content1 .content1_1 ul li{
    float: left;
    width: 33.333%;
}
.section .content1 .content1_1 .arrows{
    width: 1170px;
    height: 100px;
    position: absolute;
    top: 30%;
}
.section .content1 .content1_1 .arrows span{
    position: absolute;
    top: 0;
    height: 100px;
    width: 50px;
}
.section .content1 .content1_1 .arrows .left{
    left: 1px;
    background: url(../imgs/banner-prev.png) no-repeat;
}
.section .content1 .content1_1 .arrows .left:hover{
    background-position: 0 -98px;
}
.section .content1 .content1_1 .arrows .right{
    right: 1px;
    background: url(../imgs/banner-next.png);
}
.section .content1 .content1_1 .arrows .right:hover{
    background-position: 0 -98px;
}
/* 第二块 */
.section .content2{
    width: 100%;
    height: 655px;
    background: white;
    /* margin-bottom: 370px; */
}
.section .content2 .cnt2{
    padding-top: 105px;
    padding-bottom: 50px;
    width: 1170px;
    height: 474px;
    margin: 0 auto;
}
.content2_1 h1{
    text-align: center;
    font-size: 36px;
    color: #e02a29;
}
.content2_1 h3{
    font-size: 24px;
    margin-top: 20px;
    margin-bottom: 10px;
    text-align: center;
}
.content2_1 .line{
    /* display: inline-block; */
    width: 140px;
    height: 1px;
    overflow: hidden;
    border-top: 1px solid #c1c1c1;
    margin: 25px auto;
}
.section .content2 .content2_2{
    margin-left: -15px;
    margin-right: -15px;
    margin-top: 50px;
    height: 305px;
}
.section .content2 .content2_2 ul{
    height: 305px;
}
.section .content2 .content2_2 ul li{
    float: left;
    width: 270px;
    height: 305px;
    margin-left: 30px;
}
.section .content2 .content2_2 ul li .icon{
    display: block;
    text-align: center;
    margin: 0 auto;
    width: 105px;
    height: 105px;
}
.section .content2 .content2_2 ul li .ico1{
    background-image: url(../imgs/icon-service1.png);
}
.section .content2 .content2_2 ul li .ico2{
    background-image: url(../imgs/icon-service2.png);
}
.section .content2 .content2_2 ul li .ico3{
    background-image: url(../imgs/icon-service3.png);
}
.section .content2 .content2_2 ul li .ico4{
    background-image: url(../imgs/icon-service4.png);
}
.center{
    text-align: center;
}

.section .content2 .content2_2 ul li:hover .icon{
    background-position: 0 -105px;
}
.section .content2 .content2_2 ul li:hover h3 a{
    color: #e02a29;
}
.section .content2 .content2_2 ul li:hover h3 a i{
    margin-left: -50%;
    width: 100%;
    border-bottom-color: #db2626;
}
.section .content2 .content2_2 ul li h3{
    position: relative;
    font-size: 24px;
    margin-top: 20px;
}
.section .content2 .content2_2 ul li h3 a{
    display: block;
    text-align: center;
    position: relative;
    padding-bottom: 10px;
    text-decoration: none;
    color: #666;
}
.section .content2 .content2_2 ul li h3 a i{
    transition: all 0.3s ease;
    position: absolute;
    left: 50%;
    bottom: 0;
    margin-left: -23px;
    width: 46px;
    height: 1px;
    border-bottom: 2px solid #c1c1c1;
}
.section .content2 .content2_2 ul li p{
    color: #999;
    line-height: 1.8;
    margin: 15px 0 20px;
    font-size: 14px;
    height: 100px;
    overflow: hidden;
}
/* 第三块 */
.section .content3{
    width: 100%;
    height: 790px;
    background-color: #eee;
}
.section .content3 .cnt3{
    padding-top: 105px;
    padding-bottom: 15px;
    width: 1170px;
    height: 612px;
    margin: 0 auto;
}
.content3_1 h1{
    text-align: center;
    font-size: 36px;
    color: #e02a29;
}
.content3_1 h4{
    /* max-width: 690px; */
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 10px;
    text-align: center;
}
.content3_1 .line{
    width: 140px;
    height: 1px;
    overflow: hidden;
    border-top: 1px solid #c1c1c1;
    margin: 25px auto;
}
.section .content3 .content3_2{
    height: 351px;
}
.section .content3 .content3_2 ul{
    position: relative;
    margin-top: 50px;
    height: 351px;
}
.section .content3 .content3_2 ul li{
    float: left;
    overflow: hidden;
    box-shadow: -4px 4px 4px rgba(0,0,0,.3);
    width: 22%;
    margin-bottom: 30px;
    margin-left: 20px;
}
.section .content3 .content3_2 ul li img{
    height: 321px;
}
.section .content3 .content3_2 ul li{
    position: relative;
}
.section .content3 .content3_2 ul .li1::before{
    content: "上海田瞳光学科技有限公司";
	display: inline-block;
	width: 100%;
	height: 100%;
	text-align: center;
	position: absolute;
	line-height: 322px;
	top: 0;
	left: 0;
	background: red;
    opacity: 0;
    z-index: 999;
    font-size: 21px;
    color: white;
	transition:all 1s ease 0s;
}
.section .content3 .content3_2 ul .li1:hover::before{
    opacity: 0.5;
}
.section .content3 .content3_2 ul .li2::before{
    content: "上海爱贝国际少儿英语";
	display: inline-block;
	width: 100%;
	height: 100%;
	text-align: center;
	position: absolute;
	line-height: 322px;
	top: 0;
	left: 0;
	background: red;
    opacity: 0;
    z-index: 999;
    font-size: 21px;
    color: white;
	transition:all 1s ease 0s;
}
.section .content3 .content3_2 ul .li2:hover::before{
    opacity: 0.5;
}
.section .content3 .content3_2 ul .li3::before{
    content: "icloud全球化教育平台";
	display: inline-block;
	width: 100%;
	height: 100%;
	text-align: center;
	position: absolute;
	line-height: 322px;
	top: 0;
	left: 0;
	background: red;
    opacity: 0;
    z-index: 999;
    font-size: 21px;
    color: white;
	transition:all 1s ease 0s;
}
.section .content3 .content3_2 ul .li3:hover::before{
    opacity: 0.5;
}
.section .content3 .content3_2 ul .li4::before{
    content: "昭歌网络设计案例";
	display: inline-block;
	width: 100%;
	height: 100%;
	text-align: center;
	position: absolute;
	line-height: 322px;
	top: 0;
	left: 0;
	background: red;
    opacity: 0;
    z-index: 999;
    font-size: 21px;
    color: white;
	transition:all 1s ease 0s;
}
.section .content3 .content3_2 ul .li4:hover::before{
    opacity: 0.5;
}
.section .content3 .content3_3{
    /* margin-top: 30px; */
    text-align: center;
}
.section .content3 .content3_3 a{
    padding: 10px 16px;
    font-size: 18px;
    line-height: 1.3333333;
    border-radius: 6px;
    display: inline-block;
    margin-bottom: 0;
    font-weight: normal;
    text-align: center;
    vertical-align: middle;
    border: 1px solid gray;
    color: black;
    background-color: transparent;
    min-width: 140px;
}
.section .content3 .content3_3 a:hover{
    text-decoration: none;
    border-color: #858585;
    background-color: #999999;
    color: #fff;
}
/* 第四个 */
.content4{
    width: 100%;
    height: 658px;
    background: url(../imgs/bg-gray.jpg);
}
.cnt4{
    width: 1170px;
    height: 386px;
    margin: 0 auto;
}
.cnt4 .content4_1{
    margin-bottom: 50px;
    text-align: center;
    padding-top: 90px;
}
.cnt4 .content4_1 h1{
    color: #e02a29;
    font-size: 36px;
}
.cnt4 .content4_1 h3{
    font-size: 25px;
    font-family: inherit;
    color: gray;
    margin-top: 20px;
}
.content4_2{
    height: 335px;
    margin-top: 50px;
}
.content4_2 .content4_left{
    padding-left: 15px;
    padding-right: 15px;
    width: 39.66666667%;
    float: left;
}
.content4_2 .content4_left img{
    display: block;
    max-width: 100%;
    height: auto;
}
.content4_2 .content4_right{
    padding-left: 15px;
    padding-right: 15px;
    width: 54.33333333%;
    float: left;
}
.content4_2 .content4_right .index-about ul{
    padding-left: 0;
    list-style: none;
}
.content4_2 .content4_right .index-about ul li{
    font-family: "Microsoft YaHei", Helvetica, Arial, sans-serif;
    font-size: 14px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed #595959;
    color: #adadad;
    line-height: 2;
}
/* 第五块 */
.content5{
    width: 100%;
    background: url(../imgs/bg-map.jpg) no-repeat center top fixed;
    padding: 90px 0;
    height: 443px;
}
.content5 .cnt5{
    width: 1170px;
    height: 263px;
    margin: 0 auto;
}
.content5 .cnt5 .content5_1{
    margin-bottom: 50px;
    text-align: center;
}
.content5 .cnt5 .content5_1 h1{
    color: #e02a29;
    font-size: 36px;
    margin-bottom: 10px;
    margin-top: 10px;
}
.content5 .cnt5 .content5_2{
    margin-left: -15px;
    margin-right: -15px;
}
.content5 .cnt5 .content5_2 div{
    margin-bottom: 30px;
    text-align: center;
    font-size: 30px;
    width: 33.33333333%;
    float: left;
}
.content5 .cnt5 .content5_2 p{
    margin-bottom: 30px;
    margin: 0 auto;
    text-align: center;
    font-size: 22px;
    width: 33.33333333%;
}
.content5_3{
    margin-top: 40px;
    /* text-align: center; */
    height: 50px;
    position: relative;
}

.content5_3 .content5_one{
    width: 40px;
    height: 40px;
    display: inline-block;
    margin-left: 530px;
    float: left;
    position: relative;
    z-index: 999;
}
.content5_3 .content5_one i{
    font-size: 2em;
    /* left: -30px; */
    width: 40px;
}
.content5_3 .content5_two i{
    font-size: 2em;
    left: 10px;
}
.content5_one:hover{
    color: #e02a29;
}
.content5_two:hover{
    color: #e02a29;
}
.tooltip{
    /* display: none; */
    position: absolute;
    bottom: 50px;
    left: 46%;
    margin-left: -106px;
    padding: 15px;
    width: 180px;
    border-radius: 5px;
    background: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    text-indent: 0;
    opacity: 0;
    z-index: 9999;
}
.content5_one:hover .tooltip{
    opacity: 1;
}
.tooltip::after{
    position: absolute;
    bottom: -10px;
    left: 50%;
    margin-left: -9px;
    border-top: 10px solid rgba(255,255,255,1);
    border-right: 10px solid transparent;
    border-left: 10px solid transparent;
    content: '';
}
.tooltip img {
    display: block;
    width: 180px;
    height: 180px;
    margin: 0 auto;
}
.tooltip p {
    margin: 10px 0 0;
    line-height: 1.6;
    color: #666;
    text-align: center;
}
/* 底部 */
footer{
    width: 100%;
    height: 100px;
    padding: 30px 0;
    background-color: #4c4c4c;
    text-align: center;
}
.footer{
    width: 1170px;
    height: 76px;
    margin: 0 auto;
    color: white;
    text-align: center;
}
.footer .footer_1 ul{
    width: 450px;
    height: 20px;
    margin-bottom: 15px;
    padding-left: 0;
    list-style: none;
    margin: 15px auto;
}
.footer .footer_1 ul li{
    width: 60px;
    height: 20px;
    margin: 0 10px;
    display: inline-block;
    padding-left: 5px;
    padding-right: 5px;
    color: #acacac;
    float: left;
    text-align: center;
}
.footer .footer_1 ul li:hover{
    color: white;
}
.footer .footer_2{
    height: 30px;
    color: #ccc;
}
.footer .footer_2 b{
    font-weight: bold;
}
.footer .footer_2 b:hover{
    color: #db2626;
}
.backTop{
    position: fixed;
    right: 50px;
    bottom: 50px;
    z-index: 9000;
}
.backTop span{
    display: block;
    width: 48px;
    height: 48px;
    border-radius: 100%;
    background-color: #ccc;
    color: #333;
    text-align: center;
    text-decoration: none;
}
.backTop span i{
    font-size: 36px;
    margin-top: 3px;
}